Robust Long Life Three Phase 1000 kVA 10/0.4kV Dry Type Distribution Transformer for EV Charging Infrastructure
제품 요약
EV 충전용 1000kVA 건식 변압기. 난연성 에폭시 수지, 30년 이상의 수명, 고효율 및 조용한 작동이 특징입니다. IEC 표준을 준수하므로 고속 충전소에 이상적입니다.
주요 특성
브랜드 이름:
HENTG POWER
모델 번호:
SCB13-1000
원산지:
중국
인증:
CE
최소 주문 수량:
1
공급 능력:
5
배달 시간:
35
지불 조건:
L/C,D/A,D/P,T/T,웨스턴 유니온
표준 포장:
나무 케이스
제품 맞춤 속성
강조하다
1000 kVA dry type transformer
,three phase distribution transformer for EV charging
,10/0.4kV dry type transformer with warranty
제품명:
드라이 타입 변압기
빈도:
50/60HZ
정격 용량:
1000kva
벡터 그룹:
Dyn11 / Yyn0
1차 전압:
10 kV
2차 전압:
0.4kV
냉각 방식:
AN/AF
표준:
IEC 표준
임피던스 전압:
6%
제품 설명
Robust Long Life Three Phase 1000 kVA 10/0.4kV Dry Type Distribution Transformer for EV Charging Infrastructure
Product Overview
This Robust Long Life Three Phase 1000 kVA 10/0.4kV Dry Type Distribution Transformer is specifically engineered for electric vehicle charging infrastructure. It features an epoxy resin cast coil design that delivers exceptional fire safety, high reliability, and a service life exceeding 30 years under normal operating conditions. The unit converts 10kV utility power to 400V low voltage, providing stable and efficient energy distribution for high power EV fast charging stations, urban charging hubs, and commercial fleet depots. Built with premium materials and advanced manufacturing processes, it withstands heavy cyclic loads and harmonic currents typical of modern charging applications while maintaining low noise and zero liquid leakage risk.
Key Features
- Flame retardant and self-extinguishing cast resin insulation eliminates fire hazards entirely
- Robust construction with reinforced core clamping ensures exceptional short circuit withstand capability
- Long operational life with minimal maintenance needs reduces total ownership cost significantly
- High efficiency and low loss design lowers energy waste in continuous duty EV charging operations
- Ultra quiet operation meets stringent acoustic requirements for urban and noise sensitive installation sites
Technical Specifications
The transformer adopts a three phase, 50Hz / 60Hz compatible design with a rated capacity of 1000 kVA. The high voltage side is 10kV with tapping links for ±2x2.5% off circuit voltage regulation, and the low voltage side is 0.4kV. The core is constructed using cold rolled grain oriented silicon steel with a step lap joint and low flux density to reduce no load losses and magnetizing current. Both high voltage and low voltage windings are manufactured from high purity copper conductors, with the high voltage winding vacuum cast under Class H epoxy resin in a dust free environment, ensuring partial discharge levels below 10 pC. The low voltage winding uses foil winding technology to enhance mechanical strength and thermal performance.
The insulation system is Class H (180°C) with a temperature rise limit of 100K for the windings, allowing safe operation even under harmonic rich loads. Cooling is provided by natural air (AN) as standard, with an option for forced air cooling (AF) that can increase capacity by up to 50%. Enclosure protection ratings range from IP00 to IP44, with an IP23 stainless steel cabinet configuration commonly recommended for outdoor EV charging station installations. The transformer is fitted with PT100 temperature sensors for winding hot spot monitoring, connected to a controller with fault alarm and trip contacts. Standard compliance includes IEC 60076-11, GB/T 10228, and equivalent national standards. Each unit undergoes routine tests including insulation resistance, dielectric withstand, induced overvoltage, and partial discharge measurement before shipment.
EV Fast Charging Infrastructure Solution
Electric vehicle fast charging stations demand transformers that can handle rapidly fluctuating loads, high harmonic content from power electronics, and strict public safety requirements. Our design addresses these through specific technical measures:
- Cyclic Load and Overload Capability: The low voltage foil winding with high thermal time constant and Class H insulation with 100K temperature rise margin allows the transformer to tolerate repeated peak loads during simultaneous multi vehicle fast charging sessions without accelerated aging.
- Harmonic Mitigation: The core is designed with a lower operating flux density, and the winding arrangement is optimized to reduce eddy current losses generated by harmonic currents. Combined with the inherent thermal margin, this prevents excessive heating that normally degrades transformer life in converter fed applications.
- Fire Safety and Public Protection: The epoxy resin compound is a UL 94 V-0 rated material that does not propagate flames and emits very low smoke and toxic gases. With zero liquid content, there is no risk of coolant leakage or contamination, making it safe for underground parking charging stations and densely populated urban locations.
- Compact Footprint and Low Noise: The cast resin design allows for a smaller physical outline compared to oil immersed units. The core and coil assembly is mounted on anti vibration pads, and magnetic flux density is carefully controlled to keep sound pressure levels below 65 dB(A) at one meter, meeting the acoustic regulations for installations near residential or commercial buildings. Stainless steel enclosures with forced ventilation ensure reliable outdoor operation in salty, humid, or dusty environments often encountered at highway and coastal charging hubs.
Frequently Asked Questions
Can this transformer handle the fluctuating loads of an EV fast charging station where multiple 120kW chargers run simultaneously?
Yes. The 1000 kVA rating with Class H insulation and foil wound low voltage winding is designed for high dynamic loads. It can sustain full load continuous operation and handle short term overloads typical when several vehicles start fast charging at the same time. The temperature controller with PT100 sensors provides real time thermal monitoring to safeguard the windings.
Is this dry type transformer safe for indoor parking garage installation where fire risk is a major concern?
Absolutely. The high voltage windings are sealed in flame retardant epoxy resin with self extinguishing properties. There is no oil that could leak or fuel a fire. It emits very little smoke and no toxic fumes if exposed to extreme heat, making it fully compliant with strict fire codes for public and underground spaces.
What is the expected service life, and what maintenance is required during operation?
Under normal IEC 60076 loading conditions, the design life is over 30 years. The sealed coil construction makes the transformer largely maintenance free. We recommend an annual visual inspection, cleaning of ventilation grilles, and verifying electrical connections and temperature controller functionality. No oil testing or replacement is ever needed.
What protection rating do you advise for outdoor installation next to highway charging plazas?
We supply the transformer inside an IP23 or higher weatherproof stainless steel enclosure. This design protects the active parts from rain, dust, and salt spray while ensuring adequate ventilation. For corrosive or high humidity coastal areas, we also apply anti corrosion coating and select non hygroscopic insulation materials as part of the solution.
Which international standards does this transformer comply with, and what certificates are provided?
The transformer is designed and tested according to IEC 60076-11 for dry type power transformers. Routine test reports including dielectric tests, induced overvoltage, partial discharge measurement, and load loss measurements are provided with each unit. Third party witness testing and certification such as KEMA or similar can be arranged on request for EPC projects.
How can I integrate this transformer into a containerized EV charging skid solution?
The compact footprint and cable entry flexibility (bottom or side) make it suitable for containerized substations. We can provide detailed dimensional drawings and coordinate with your skid integrator to optimize the ventilation layout. We also offer integrated low voltage switchgear assembly upon request, creating a plug and play package for rapid deployment.
Contact our engineering team today for a tailored quotation and technical consultation for your EV charging infrastructure project.
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